both the biden's and obamas wil participate saturday in a service activity. we will be making announcements on that in the coming days. odds are you will know when it happens, but they will be doing something, and that will be the entire family. >> a follow-up on the fundraising question. if you do have less ovftover fu, where do you plan to use those funds question mark >> i do not know. i know there are rules that regulate what we can and cannot do with those funds. in the past, some funds were used to do repairs -- repairs on the national mall. that is a bridge we will cross when we come to it. there are a number of civic-minded things we can do. >> cnn. how many law-enforcement agencies and offices will be involved in security security on the day of the inauguration? and how large of an area will be closed off? >> i want to apologize for saying it was morning when it was actually afternoon. we cannot go into detail as far as how many law enforcement officers will be present for the inauguration. could you repeat your second question question m? >> how lar